A) chronosphere B) core C) corona D) photosphere
A) the aurora borealis B) solar eclipse C) flow of protons and electrons from sun D) lunar eclipse
A) nuclear fusion B) helium is formed C) 2 hydrogen atoms combine D) all of the above
A) solar winds B) the sunset C) the northern lights D) the moon
A) convection zone B) chronosphere C) corona D) photosphere
A) gamma rays B) microwaves C) x rays D) radio waves
A) radio waves B) gamma rays C) x rays D) microwaves
A) True B) False
A) ultraviolet light B) infered light C) we can see all of the electromagnetic spectrum D) the visible spectrum
A) 93 thousand miles B) 1 light year C) 93 billion miles D) 93 million miles |